1. SUTD Digital Manufacturing and Design Centre, Singapore University of Technology and Design, Singapore 487372, Singapore.
2. The George Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA.
3. State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, China.
4. School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China.